20160918908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{387709979}}^1$

素因数の和:387709996

約数の個数: 12

約数和(自身を含む): 37995578040

約数和(自身を除く): 17834659132

約数列:

[1, 2, 4, 13, 26, 52, 387709979, 775419958, 1550839916, 5040229727, 10080459454, 20160918908]

約数ペア:

[(1, 20160918908), (2, 10080459454), (4, 5040229727), (13, 1550839916), (26, 775419958), (52, 387709979)]